io.antmedia.webrtc.adaptor.Adaptor Maven / Gradle / Ivy

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Ant Media Server supports RTMP, RTSP, MP4, HLS, WebRTC, Adaptive Streaming, etc.
There is a newer version: 2.11.3
package io.antmedia.webrtc.adaptor;

import javax.websocket.Session;

import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
import org.webrtc.DataChannel;
import org.webrtc.IceCandidate;
import org.webrtc.MediaConstraints;
import org.webrtc.MediaStream;
import org.webrtc.PeerConnection;
import org.webrtc.PeerConnection.IceConnectionState;
import org.webrtc.PeerConnection.IceGatheringState;
import org.webrtc.PeerConnection.Observer;
import org.webrtc.PeerConnection.SignalingState;
import org.webrtc.PeerConnectionFactory;
import org.webrtc.RtpReceiver;
import org.webrtc.SdpObserver;
import org.webrtc.SessionDescription;
import org.webrtc.SessionDescription.Type;

import io.antmedia.websocket.WebSocketCommunityHandler;

public abstract class Adaptor implements Observer, SdpObserver 
{
	protected PeerConnection peerConnection;
	private MediaConstraints sdpMediaConstraints;
	protected PeerConnectionFactory peerConnectionFactory;
	protected WebSocketCommunityHandler webSocketCommunityHandler;

	private String streamId;

	private Session session; 

	protected static final Logger log = Red5LoggerFactory.getLogger(Adaptor.class);

	public Adaptor(WebSocketCommunityHandler websocketCommunityHandler) {
		this.webSocketCommunityHandler = websocketCommunityHandler;
	}

	public abstract void start();

	public abstract void stop();

	public void setPeerConnection(PeerConnection peerConnection) {
		this.peerConnection = peerConnection;
	}

	public PeerConnection getPeerConnection() {
		return peerConnection;
	}

	@Override
	public void onSignalingChange(SignalingState newState) {

	}

	@Override
	public void onIceConnectionChange(IceConnectionState newState) {
		if (newState == IceConnectionState.DISCONNECTED || newState == IceConnectionState.FAILED
				|| newState == IceConnectionState.CLOSED) 
		{
			log.info("Ice connection state changed to {} so it's stopping", newState);
			stop();
		}
	}

	@Override
	public void onIceConnectionReceivingChange(boolean receiving) {

	}

	@Override
	public void onIceGatheringChange(IceGatheringState newState) {

	}

	@Override
	public void onIceCandidate(IceCandidate candidate) {
		log.warn("onIceCandidate");

		webSocketCommunityHandler
		.sendTakeCandidateMessage(candidate.sdpMLineIndex, candidate.sdpMid, candidate.sdp, streamId, session, "");

	}

	@Override
	public void onIceCandidatesRemoved(IceCandidate[] candidates) {
	}

	public void onAddStream(MediaStream stream) {}

	@Override
	public void onRemoveStream(MediaStream stream) {

	}

	@Override
	public void onDataChannel(DataChannel dataChannel) {

	}

	@Override
	public void onRenegotiationNeeded() {

	}

	@Override
	public void onAddTrack(RtpReceiver receiver, MediaStream[] mediaStreams) {
	}

	@Override
	public void onCreateSuccess(SessionDescription sdp) {
		log.warn("onCreate Success for stream: {}", streamId);
		if (peerConnection != null) {
			peerConnection.setLocalDescription(new SdpObserver() {

				@Override
				public void onSetSuccess() {
					log.info("set localdescription on set success  for {}", streamId);
				}

				@Override
				public void onSetFailure(String error) {
					log.info("set localdescription onSetFailure  for {}", streamId);
				}

				@Override
				public void onCreateSuccess(SessionDescription sdp) {
					log.info("set localdescription onCreateSuccess  for {}", streamId);
				}

				@Override
				public void onCreateFailure(String error) {
					log.info("set localdescription onCreateSuccess  for {}", streamId);
				}
			}, sdp);
		}


		String type;
		if (sdp.type == Type.ANSWER) {
			type = "answer";
		}
		else  {
			type = "offer";
		}

		webSocketCommunityHandler.sendSDPConfiguration(sdp.description, type, streamId, session, null, "");

	}

	@Override
	public void onSetSuccess() {
		log.warn("on setSuccess");
	}

	@Override
	public void onCreateFailure(String error) {
		log.warn(error);
	}

	@Override
	public void onSetFailure(String error) {
		log.warn(error);
	}

	public MediaConstraints getSdpMediaConstraints() {
		return sdpMediaConstraints;
	}

	public void setSdpMediaConstraints(MediaConstraints sdpMediaConstraints) {
		this.sdpMediaConstraints = sdpMediaConstraints;
	}

	public void setPeerConnectionFactory(PeerConnectionFactory peerConnectionFactory) {
		this.peerConnectionFactory = peerConnectionFactory;	
	}


	public void setSession(Session session) {
		this.session = session;
	}

	public Session getSession() {
		return session;
	}

	public String getStreamId() {
		return streamId;
	}

	public void setStreamId(String streamId) {
		this.streamId = streamId;
	}

}